smart parts ion problem

hey guys i got an ion off cg (craigslit) ok so here the problem it turns on and everything right and when i put in my tank in the asa it goes right then the presure gauge doesnt read it it doesnt leak anywhere helpp

hey guys i got an ion off cg (craigslit) ok so here the problem it turns on and everything right and when i put in my tank in the asa it goes right then the presure gauge doesnt read it it doesnt leak anywhere helpp

Is the reg zero'd out by any chance, or possibly the reg shims aren't in correctly